phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7a26e46e473b941955c7435b34dfada5', -1, 1743769015, 1743769015, '0311b9cc', -4, 0, 0)

Line : 187
File : sessions.php